The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 20, 1976
Filed:
Oct. 23, 1973
Applicant:
Inventor:
Kiyoshi Urayama, Kyoto, JA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210355 ; 210388 ; 210405 ; 210410 ; 210D / ;
Abstract
A screening apparatus comprising a water receptacle, a screen frame mounted on the water receptacle with a screen covering the opening of the water receptacle, a sprinkler for sprinkling water into the screen frame and a vibrator for expanding and contracting air within the water receptacle to thereby vibrate the screen.